title: A clinical trial of antihistamine, decongestant, or placebo in antibiotic-treated acute otitis media followed with pneumatic otoscopy and impedance tympanometry.
mesh_terms: D000158:Acoustic Impedance Tests; D000208:Acute Disease; D000667:Ampicillin / Q000627:therapeutic use*; D002675:Child, Preschool; D002744:Chlorpheniramine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004809:Ephedrine / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D010033:Otitis Media / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D002744:Chlorpheniramine; D000667:Ampicillin; D004809:Ephedrine